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Ternary liquid equilibrium data at 30 ± 0.1 °C for the systems water-acetonitrile-toluene, water-acetonitrile-methyl Isobutyl ketone, water-acetonltrlle-lsoamyl acetate, water-acetonitrile-isoamyl alcohol, and water-acetonitrile-methyl ethyl ketone are obtained. The

Experimental P-T-x data have been measured for acetonitrile-1 -propano1 mixtures. The Margules, UNIQUAC, UNIFAC and ASOG models and the method of Mixon et al. have been used to predict the vapor compositions from the P-T-x data. A good agreement has been found between the vapor compositions predicted by the above except in the case of UNIFAC. The parameters obtained by using the single set data treatment gave satisfactory representation of vapor liquid equilibria of acetonitrile-1 -propano1 mixtures. D e s donntes exp6rimentales P-T-x ont t t k mesurkes pour des mtlanges d'acktonitrile-I-propanol. On a utilisk les modtles Margules, UNIQUAC, UNIFAC et ASOG ainsi que la mkthode de Mixon et colt. pour prkdire les compositions de la vapeur B partir des donntes P-T-x. On a trouvt un bon accord entre les compositions de la vapeur pkdites et les modtles indiquks ci-dessus, sauf dans le cas du modtle UNIFAC. Les parambtres obtenus par le traitement il un seul ensemble de donnks, repkentent de manibre satisfaisant I'kquilibre liquide-vapeur des melanges acttonitrile-Ipropanol.xperimental isobaric vapor liquid equilibrium data of E four binary mixtures of acetonitrile-isomeric butanols at 101.3 kPa pressure were reported from this laboratory (Srinivasa Rao et al. 1977; Raviprasad et al., 1978).Recently the vapor liquid equilibrium data of acetonitrile-1propanol at 328.15 K have been reported by Nagata (1985).

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The Policy Research Working Paper Series disseminates the findings of work in progress to encourage the exchange of ideas about development issues. An objective of the series is to get the findings out quickly, even if the presentations are less than fully polished. The papers carry the names of the authors and should be cited accordingly. The findings, interpretations, and conclusions expressed in this paper are entirely those of the authors. They do not necessarily represent the views of the International Bank for Reconstruction and Development/World Bank and its affiliated organizations, or those of the Executive Directors of the World Bank or the governments they represent.